package com.ezcoding.utils;

import com.alibaba.fastjson.JSONObject;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * 发送模板短信请求
 *
 * @author liuxuanlin
 */
public class NeteaseMessageUtil {
    //发送验证码的请求路径URL
    private static final String
            SERVER_URL = "https://api.netease.im/sms/sendcode.action";
    //网易云信分配的账号，请替换你在管理后台应用下申请的Appkey
    private static final String
            APP_KEY = "ceddbf45b08376f173a685a42046a346";
    //网易云信分配的密钥，请替换你在管理后台应用下申请的appSecret
    private static final String APP_SECRET = "ecbe2a402e07";
    //随机数
    private static final String NONCE = "103156";
    //短信模板ID
    private static final String TEMPLATEID = "4033320";
    //手机号
    //private static final String MOBILE = "18726170608";
    //验证码长度，范围4～10，默认为4
    private static final String CODELEN = "6";

    public static String sendMessage(String mobile) {
        String resCode = null;

        try {
            //创建CloseableHttpClient类
            HttpClient httpClient = HttpClientBuilder.create().build();
            HttpPost httpPost = new HttpPost(SERVER_URL);
            String curTime = String.valueOf((new Date()).getTime() / 1000L);
            /*
             * 参考计算CheckSum的java代码，在上述文档的参数列表中，有CheckSum的计算文档示例
             */
            String checkSum = CheckSumBuilder.getCheckSum(APP_SECRET, NONCE, curTime);

            // 设置请求的header
            httpPost.addHeader("AppKey", APP_KEY);
            httpPost.addHeader("Nonce", NONCE);
            httpPost.addHeader("CurTime", curTime);
            httpPost.addHeader("CheckSum", checkSum);
            httpPost.addHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");

            // 设置请求的的参数，requestBody参数
            List<NameValuePair> nvps = new ArrayList<>();
            /*
             * 1.如果是模板短信，请注意参数mobile是有s的，详细参数配置请参考“发送模板短信文档”
             * 2.参数格式是jsonArray的格式，例如 "['13888888888','13666666666']"
             * 3.params是根据你模板里面有几个参数，那里面的参数也是jsonArray格式
             */
            nvps.add(new BasicNameValuePair("templateid", TEMPLATEID));
            nvps.add(new BasicNameValuePair("mobile", mobile));
            nvps.add(new BasicNameValuePair("codeLen", CODELEN));
            httpPost.setEntity(new UrlEncodedFormEntity(nvps, "utf-8"));

            // 执行请求
            HttpResponse response = httpClient.execute(httpPost);
            /*
             * 1.打印执行结果，打印结果一般会200、315、403、404、413、414、500
             * 2.具体的code有问题的可以参考官网的Code状态表
             */
            String resObj = EntityUtils.toString(response.getEntity(), "utf-8");
            System.out.println(resObj);

            JSONObject jsonObject = JSONObject.parseObject(resObj);
            int code = jsonObject.getIntValue("code");
            if(code!=200){
                return null;
            }
            resCode = jsonObject.getString("obj");
        } catch (IOException e) {
            e.printStackTrace();
        }

        return resCode;
    }
}
